CN103044905A - Polyamide composition and preparation method thereof - Google Patents
Polyamide composition and preparation method thereof Download PDFInfo
- Publication number
- CN103044905A CN103044905A CN2012105824600A CN201210582460A CN103044905A CN 103044905 A CN103044905 A CN 103044905A CN 2012105824600 A CN2012105824600 A CN 2012105824600A CN 201210582460 A CN201210582460 A CN 201210582460A CN 103044905 A CN103044905 A CN 103044905A
- Authority
- CN
- China
- Prior art keywords
- polyamide
- polymeric amide
- composition
- daiamid
- daiamid composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a polyamide composition comprising polyamide, a flame retardant and an inorganic reinforcing filler. The polyamide is composed of semi-aromatic polyamide and fatty polyamide. The polyamide composition further comprises a flame retardant synergist. The weight ratio of semi-aromatic polyamide to fatty polyamide is 1 : (0.35-3). The composition comprises, in percentage by weight, are 30-74% of polyamide, 5-15% of flame retardant and 20-60% of inorganic reinforcing filler, and 1-5% of flame retardant synergist. The polyamide polyamide has high melt flow feature, high modulus, excellent mechanical property and good flame retardancy, and is also easy to operate.
Description
Technical field
The invention belongs to the polymer composite field, be specifically related to a kind of daiamid composition.
Background technology
Polymeric amide is a kind of important engineering plastics kind, because of its excellent physical strength, thermotolerance, chemical-resistant and self lubricity, has been widely used in automobile, electronic apparatus and other industry, civil area.
At present mainly be the intensity that strengthens goods than the mineral component of high filler loading capacity such as breeze, glass fibre, carbon fiber etc. by in polymeric amide, adding, but this meeting so that the fluidity of molten of polymeric amide greatly descend, can't satisfy the demands, can not produce the thin-walled moulded parts of having both strength, incendivity and any surface finish.But in some special Application Areas, both needed material to have fabulous flowability, and will have higher modulus and flame retardant properties.Therefore, the flowability of improving polymeric amide becomes the problem of many investigator's joint researches.The fluidity of molten that improves polymeric amide generally is to obtain by adding flow improver additive such as low-molecular-weight polyolefin-wax, stearic acid, ethylene bis stearamide, montanic acid salts etc.The flow improver additive of mentioning in document CN1498920A adopts the silicon-dioxide of 0.1 ~ 250 μ m; Add the fusing point polyamide oligomer as well as higher than the fusing point of superpolyamide among PCT/NL00/00339, the CN00811277.0; Add liquid crystalline polymers of 1% ~ 50% etc. among the CN201110222602.8.Also adopt the method for star-branched polymeric amide to improve liquidity just like CN1189174A, CN1305505A.All there is improvement effect in all these technology not or the product surface defective can occurs when injection-molded finished, perhaps need to adopt chemical process to synthesize new polymkeric substance, and cost improves.
A kind of flowability reinforced polyamide composition and method of making the same and application good, low warpage are disclosed, said composition is that the fire retardant by the inorganic reinforcing filler of the polymeric amide of 30-60%, 40-70% and 0-20% prepares, although the flowability of this reinforced polyamide composition has obtained improvement to a certain degree, still has the problem that modulus is lower, flame retardant properties is relatively poor.
Summary of the invention
Technical problem to be solved by this invention has provided a kind of daiamid composition.
Another technical problem to be solved by this invention has provided a kind of preparation method of daiamid composition.
The present invention is that the technical scheme that its technical problem of solution adopts is: a kind of daiamid composition, comprise polymeric amide, fire retardant and inorganic reinforcing filler, described polymeric amide is comprised of semiaromatic polyamide composition and fatty polyamide, described daiamid composition also includes fire retarding synergist, the mass ratio of described semiaromatic polyamide composition and fatty polyamide is 1:0.35-3, take the gross weight of composition as benchmark, each composition weight percentage composition is as follows:
Kymene 0-74%;
Fire retardant 5-15%;
Fire retarding synergist 1-5%;
Inorganic reinforcing filler 20-60%.
Wherein, described semiaromatic polyamide composition is main dicarboxylic acid units by the aromatic dicarboxylic acid cell formation and main two amine units by the aliphatic diamine cell formation with 4 to 14 carbon atoms, and its end that comprises no more than 15 μ eq/g is amino.
Further, the viscosity of described semiaromatic polyamide composition is 0.6-1.5 dl/g, and the viscosity of described fatty polyamide is 1.0-2.5 dl/g.
Preferably, the viscosity of described semiaromatic polyamide composition is 0.8-1.2 dl/g, and the viscosity of described fatty polyamide is 1.5-2.5 dl/g.
Further, described semiaromatic polyamide composition is one or more among polyamide 6 T/6I, polyamide 6 T/6I/66, polyamide 6 T/6, polyamide 6 T/66, polyamide 6 I, polymeric amide 10T, polymeric amide 10I, polymeric amide 10T/10I, polymeric amide 10T/10I/66, polymeric amide 10T/6, polymeric amide 10T/66, polymeric amide 12T, the polymeric amide MXD6;
Described fatty polyamide is one or more in polyamide 6, polyamide 66, polyamide 610, polyamide 612, polyamide 1010, polyamide 6/66 multipolymers.
Preferably, described semiaromatic polyamide composition is one or more among polyamide 6 T/6I, polyamide 6 T/6I/66, polyamide 6 I, polymeric amide 10T, polymeric amide 10I, polymeric amide 10T/10I, polymeric amide 10T/10I/66 and the polymeric amide MXD6;
Described fatty polyamide is one or more in polyamide 6, polyamide 66, polyamide 6/66.
Further, described fire retardant is a kind of in phosphinates, red phosphorus, the melamine cyanurate; Described fire retarding synergist is a kind of in borate, the metal hydroxides.
Preferably, described fire retarding synergist is a kind of in zinc borate, magnesium hydroxide, the boehmite.
Further, described inorganic reinforcing filler is one or more in talcum powder, calcium carbonate, kaolin, the glass fibre.
Further, described daiamid composition also includes one or more in lubricant, oxidation inhibitor, hydrolysis-resisting agent, coupling agent and the UV stablizer, gross weight by described polymeric amide, fire retardant, inorganic reinforcing filler and fire retarding synergist is 100 parts, and the addition of one or more in described lubricant, oxidation inhibitor, hydrolysis-resisting agent, coupling agent and the UV stablizer is the 0.1-3 weight part.
A kind of preparation method of described daiamid composition, may further comprise the steps: after the raw material except inorganic reinforcing filler in will filling a prescription joins together in mass ratio and mixes in the homogenizer, the side direction spout of inorganic reinforcing filler from forcing machine added, with the melt-mixing in the forcing machine, obtain described daiamid composition by the die head granulation;
The temperature of twin screw extruder is: plasticizing zone temperature: 230-320 ℃, mixing zone temperature: 220-310 ℃, melt temperature: 230-320 ℃, the twin screw rotating speed is 150-450r/min, residence time 1-5min.
Because the enforcement of above technical scheme, the present invention compared with prior art has following advantage:
This daiamid composition not only has high melt flow characteristics, high modulus, superior mechanical property, good flame retardant properties, and simple to operate.
Description of drawings
Accompanying drawing 1 is embodiment and Comparative Examples data.
Embodiment
The below will come the present invention is further specified by specific embodiment, but described embodiment only is used for explaining the present invention, be not restriction the present invention.
Main raw
Polyamide 6 T/66:[η]=0.9dl/g, self-control
Polyamide 6 T/6I:[η]=0.9dl/g, self-control
Polymeric amide 10T:[η]=0.9dl/g, self-control
Polymeric amide 10T/10I:[η]=0.9dl/g, self-control
Polyamide 6: [η]=2.0dl/g, Sinopec YH800
Polyamide 66: [η]=2.1dl/g, the refreshing horse EPR27 of Chinese flat coal
Phosphinates: Exolit OP1230, Clariant
Zinc borate: Firebrake ZB, Rio Tinto U.S. borax group
Glass fibre 995, OWENSCORNING
Quantitative measurement
Tensile modulus: at 23 ℃, measure according to ISO527 under the 5mm/min
Modulus in flexure: at 23 ℃, measure according to ISO178 under the 5mm/min
Melt flow rate (MFR): at 290 ℃, measure according to ISO1133 under the 2.16kg
Flame retardant resistance: 0.75mm is according to the UL94 standard test
Embodiment and Comparative Examples
The polycondensation method preparation that the synthetic employing of polymeric amide is known is finished in the autoclave polycondensation reactor that a band stirs.Concrete preparation method adds equimolar binary organic acid and binary organic amine, deionized water according to the kind of the polymeric amide of required preparation, gets by processes such as intensification, dehydrations.The molecular weight of polymeric amide is regulated by phenylformic acid etc.The characteristic viscosity determining of polymeric amide adopts the method for ISO307 defined.That is: the sample of the polymeric amide that will measure is dissolved in 96% vitriol oil, be configured to concentration and be respectively 0.05,0.1,0.2 or the solution of 0.4g/dl, get the logarithmic viscosity number η rlh that measures each sample solution under 30 ℃ with dark type viscometer, then be 0 scope with the Data Extrapolation of η rlh to concentration, namely obtain the limiting viscosity [η] of sample.Wherein η rlh is calculated according to the following formula:
η rlh=[ln (t/t0)]/C (dl/g), wherein t0 represents the flushing time (second) of solvent; T represents sample solution flushing time (second); C represents sample concentration (g/dl).
The preparation method of daiamid composition, may further comprise the steps: press prescription in the accompanying drawing 1 with polymeric amide, fire retardant, fire retarding synergist and other auxiliary agents, as in lubricant, oxidation inhibitor, hydrolysis-resisting agent, coupling agent and the UV stablizer one or more join together mix in the homogenizer after, the side direction spout of inorganic reinforcing filler from forcing machine added, with the melt-mixing in the forcing machine, obtain described daiamid composition by the die head granulation;
The temperature of twin screw extruder is: plasticizing zone temperature: 230-320 ℃, mixing zone temperature: 220-310 ℃, melt temperature: 230-320 ℃, the twin screw rotating speed is 150-450r/min, residence time 1-5min.
The prescription of embodiment and Comparative Examples and detection data are as shown in Figure 1.
More than the present invention has been done detailed description, but the present invention is not limited to above embodiment, the equivalence that all essence according to the present invention is done changes or modifies, all within protection scope of the present invention.
Claims (10)
1. daiamid composition, comprise polymeric amide, fire retardant and inorganic reinforcing filler, described polymeric amide is comprised of semiaromatic polyamide composition and fatty polyamide, it is characterized in that: described daiamid composition also includes fire retarding synergist, the mass ratio of described semiaromatic polyamide composition and fatty polyamide is 1:0.35-3, take the gross weight of composition as benchmark, each composition weight percentage composition is as follows:
Kymene 0-74%;
Fire retardant 5-15%;
Fire retarding synergist 1-5%;
Inorganic reinforcing filler 20-60%.
2. daiamid composition according to claim 1, it is characterized in that: the viscosity of described semiaromatic polyamide composition is 0.6-1.5 dl/g, the viscosity of described fatty polyamide is 1.0-2.5 dl/g.
3. daiamid composition according to claim 2, it is characterized in that: the viscosity of described semiaromatic polyamide composition is 0.8-1.2 dl/g, the viscosity of described fatty polyamide is 1.5-2.5 dl/g.
4. daiamid composition according to claim 1, it is characterized in that: described semiaromatic polyamide composition is one or more among polyamide 6 T/6I, polyamide 6 T/6I/66, polyamide 6 T/6, polyamide 6 T/66, polyamide 6 I, polymeric amide 10T, polymeric amide 10I, polymeric amide 10T/10I, polymeric amide 10T/10I/66, polymeric amide 10T/6, polymeric amide 10T/66, polymeric amide 12T, the polymeric amide MXD6;
Described fatty polyamide is one or more in polyamide 6, polyamide 66, polyamide 610, polyamide 612, polyamide 1010, polyamide 6/66 multipolymers.
5. according to claim 1 or 4 described daiamid compositions, it is characterized in that: described semiaromatic polyamide composition is one or more among polyamide 6 T/6I, polyamide 6 T/6I/66, polyamide 6 I, polymeric amide 10T, polymeric amide 10I, polymeric amide 10T/10I, polymeric amide 10T/10I/66 and the polymeric amide MXD6;
Described fatty polyamide is one or more in polyamide 6, polyamide 66, polyamide 6/66.
6. daiamid composition according to claim 1 is characterized in that: described fire retardant is a kind of in phosphinates, red phosphorus, the melamine cyanurate; Described fire retarding synergist is a kind of in borate, the metal hydroxides.
7. daiamid composition according to claim 6 is characterized in that: described fire retarding synergist is a kind of in zinc borate, magnesium hydroxide, the boehmite.
8. daiamid composition according to claim 1, it is characterized in that: described inorganic reinforcing filler is one or more in talcum powder, calcium carbonate, kaolin, the glass fibre.
9. daiamid composition according to claim 1, it is characterized in that: described daiamid composition also includes one or more in lubricant, oxidation inhibitor, hydrolysis-resisting agent, coupling agent and the UV stablizer, gross weight by described polymeric amide, fire retardant, inorganic reinforcing filler and fire retarding synergist is 100 parts, and the addition of one or more in described lubricant, oxidation inhibitor, hydrolysis-resisting agent, coupling agent and the UV stablizer is the 0.1-3 weight part.
10. preparation method such as the described daiamid composition of claim 1 to 9, it is characterized in that: may further comprise the steps: after the raw material except inorganic reinforcing filler in will filling a prescription joins together in mass ratio and mixes in the homogenizer, the side direction spout of inorganic reinforcing filler from forcing machine added, with the melt-mixing in the forcing machine, obtain described daiamid composition by the die head granulation;
The temperature of twin screw extruder is: plasticizing zone temperature: 230-320 ℃, mixing zone temperature: 220-310 ℃, melt temperature: 230-320 ℃, the twin screw rotating speed is 150-450r/min, residence time 1-5min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210582460.0A CN103044905B (en) | 2012-12-28 | 2012-12-28 | Polyamide composition and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210582460.0A CN103044905B (en) | 2012-12-28 | 2012-12-28 | Polyamide composition and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103044905A true CN103044905A (en) | 2013-04-17 |
| CN103044905B CN103044905B (en) | 2015-04-22 |
Family
ID=48057777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210582460.0A Active CN103044905B (en) | 2012-12-28 | 2012-12-28 | Polyamide composition and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103044905B (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061311A (en) * | 2014-04-09 | 2016-10-26 | Ykk株式会社 | Polyamide resin composition for slide fasteners, slide fastener component, and slide fastener provided with same |
| CN106280411A (en) * | 2015-06-11 | 2017-01-04 | 合肥杰事杰新材料股份有限公司 | A kind of daiamid composition and preparation method thereof |
| CN106398201A (en) * | 2015-07-31 | 2017-02-15 | 三星Sdi株式会社 | Polyamide resin composition and article produced therefrom |
| WO2017197659A1 (en) * | 2016-05-16 | 2017-11-23 | 苏州新区华士达工程塑胶有限公司 | Modified polyamide flame retardant plastic |
| CN107892810A (en) * | 2017-11-23 | 2018-04-10 | 广东奇德新材料股份有限公司 | Fire-retardant polyamide compoiste material of a kind of low volatilization and preparation method thereof |
| CN108997746A (en) * | 2018-09-08 | 2018-12-14 | 佛山市禅城区诺高环保科技有限公司 | A kind of preparation method of Halogen barrier flame-retardant explosion-proof material |
| CN109312153A (en) * | 2016-06-30 | 2019-02-05 | 尤尼吉可株式会社 | Thermoplastic resin composition and the formed body being molded with |
| CN109320959A (en) * | 2018-09-25 | 2019-02-12 | 深圳市高科塑化有限公司 | A kind of halogen-free high-temperature nylon PA6T enhancing flame retardant composite material and preparation method thereof |
| CN109575585A (en) * | 2018-11-23 | 2019-04-05 | 山东东辰瑞森新材料科技有限公司 | A kind of nylon material of resistance to urea for vehicle solution and preparation method thereof |
| CN109988421A (en) * | 2017-12-31 | 2019-07-09 | 乐天尖端材料株式会社 | Amilan polyamide resin composition and mechanograph including the Amilan polyamide resin composition |
| CN113004688A (en) * | 2021-02-04 | 2021-06-22 | 张家港大塚化学有限公司 | Preparation process of high-performance polyamide composite material for halogen-free flame-retardant LED |
| CN114316583A (en) * | 2021-12-23 | 2022-04-12 | 广东优巨先进新材料股份有限公司 | High-toughness high-temperature-resistant nylon composite material and preparation method thereof |
| CN114395248A (en) * | 2021-12-24 | 2022-04-26 | 金发科技股份有限公司 | Red phosphorus flame-retardant polyamide composite material and preparation method and application thereof |
| CN115433456A (en) * | 2022-09-14 | 2022-12-06 | 广东聚石化学股份有限公司 | High-flame-retardant and high-impact-resistant melamine cyanurate flame-retardant nylon composition as well as preparation method and application thereof |
| US11577496B2 (en) | 2017-12-31 | 2023-02-14 | Lotte Chemical Corporation | Polyamide resin composition and molded article comprising the same |
| US11578206B2 (en) | 2017-10-30 | 2023-02-14 | Lotte Advanced Materials Co., Ltd. | Polyamide resin composition and molded article comprising the same |
| US12043736B2 (en) | 2018-05-31 | 2024-07-23 | Lotte Chemical Corporation | Polyamide resin composition and molded product comprising same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1390887A (en) * | 2001-05-21 | 2003-01-15 | 可乐丽股份有限公司 | Polyamide composition |
| CN102585491A (en) * | 2012-01-09 | 2012-07-18 | 金发科技股份有限公司 | Reinforced polyamide composition with high liquidity and low warpage and preparation method and application thereof |
-
2012
- 2012-12-28 CN CN201210582460.0A patent/CN103044905B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1390887A (en) * | 2001-05-21 | 2003-01-15 | 可乐丽股份有限公司 | Polyamide composition |
| CN102585491A (en) * | 2012-01-09 | 2012-07-18 | 金发科技股份有限公司 | Reinforced polyamide composition with high liquidity and low warpage and preparation method and application thereof |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106061311A (en) * | 2014-04-09 | 2016-10-26 | Ykk株式会社 | Polyamide resin composition for slide fasteners, slide fastener component, and slide fastener provided with same |
| CN106061311B (en) * | 2014-04-09 | 2019-03-01 | Ykk株式会社 | Zipper Amilan polyamide resin composition, zipper component and the zipper for having the component |
| CN106280411A (en) * | 2015-06-11 | 2017-01-04 | 合肥杰事杰新材料股份有限公司 | A kind of daiamid composition and preparation method thereof |
| CN106398201A (en) * | 2015-07-31 | 2017-02-15 | 三星Sdi株式会社 | Polyamide resin composition and article produced therefrom |
| CN106398201B (en) * | 2015-07-31 | 2019-07-16 | 乐天尖端材料株式会社 | Amilan polyamide resin composition and the product produced by it |
| WO2017197659A1 (en) * | 2016-05-16 | 2017-11-23 | 苏州新区华士达工程塑胶有限公司 | Modified polyamide flame retardant plastic |
| CN109312153A (en) * | 2016-06-30 | 2019-02-05 | 尤尼吉可株式会社 | Thermoplastic resin composition and the formed body being molded with |
| CN109312153B (en) * | 2016-06-30 | 2021-08-17 | 尤尼吉可株式会社 | Thermoplastic resin composition and molded article obtained by molding same |
| US11578206B2 (en) | 2017-10-30 | 2023-02-14 | Lotte Advanced Materials Co., Ltd. | Polyamide resin composition and molded article comprising the same |
| CN107892810A (en) * | 2017-11-23 | 2018-04-10 | 广东奇德新材料股份有限公司 | Fire-retardant polyamide compoiste material of a kind of low volatilization and preparation method thereof |
| CN109988421A (en) * | 2017-12-31 | 2019-07-09 | 乐天尖端材料株式会社 | Amilan polyamide resin composition and mechanograph including the Amilan polyamide resin composition |
| CN109988421B (en) * | 2017-12-31 | 2022-05-06 | 乐天尖端材料株式会社 | Polyamide resin composition and molded article comprising same |
| US11577496B2 (en) | 2017-12-31 | 2023-02-14 | Lotte Chemical Corporation | Polyamide resin composition and molded article comprising the same |
| US11565513B2 (en) | 2017-12-31 | 2023-01-31 | Lotte Chemical Corporation | Polyamide resin composition and molded article comprising the same |
| US12043736B2 (en) | 2018-05-31 | 2024-07-23 | Lotte Chemical Corporation | Polyamide resin composition and molded product comprising same |
| CN108997746A (en) * | 2018-09-08 | 2018-12-14 | 佛山市禅城区诺高环保科技有限公司 | A kind of preparation method of Halogen barrier flame-retardant explosion-proof material |
| CN109320959B (en) * | 2018-09-25 | 2021-06-18 | 深圳市高科塑化有限公司 | Halogen-free high-temperature nylon PA6T reinforced flame-retardant composite material and preparation method thereof |
| CN109320959A (en) * | 2018-09-25 | 2019-02-12 | 深圳市高科塑化有限公司 | A kind of halogen-free high-temperature nylon PA6T enhancing flame retardant composite material and preparation method thereof |
| CN109575585A (en) * | 2018-11-23 | 2019-04-05 | 山东东辰瑞森新材料科技有限公司 | A kind of nylon material of resistance to urea for vehicle solution and preparation method thereof |
| CN113004688A (en) * | 2021-02-04 | 2021-06-22 | 张家港大塚化学有限公司 | Preparation process of high-performance polyamide composite material for halogen-free flame-retardant LED |
| CN114316583A (en) * | 2021-12-23 | 2022-04-12 | 广东优巨先进新材料股份有限公司 | High-toughness high-temperature-resistant nylon composite material and preparation method thereof |
| CN114316583B (en) * | 2021-12-23 | 2024-03-15 | 广东优巨先进新材料股份有限公司 | High-strength high-temperature-resistant nylon composite material and preparation method thereof |
| CN114395248A (en) * | 2021-12-24 | 2022-04-26 | 金发科技股份有限公司 | Red phosphorus flame-retardant polyamide composite material and preparation method and application thereof |
| CN114395248B (en) * | 2021-12-24 | 2023-11-07 | 金发科技股份有限公司 | Red phosphorus flame-retardant polyamide composite material and preparation method and application thereof |
| CN115433456A (en) * | 2022-09-14 | 2022-12-06 | 广东聚石化学股份有限公司 | High-flame-retardant and high-impact-resistant melamine cyanurate flame-retardant nylon composition as well as preparation method and application thereof |
| CN115433456B (en) * | 2022-09-14 | 2024-05-10 | 广东聚石化学股份有限公司 | High-flame-retardance high-impact-resistance melamine cyanurate flame-retardant nylon composition and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103044905B (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103044905B (en) | Polyamide composition and preparation method thereof | |
| CN103534313B (en) | Flame retardant resistance partially aromatic polyamide composition and the moulded product be made up of it | |
| CN105062050B (en) | Acid-alkali-resistant halogen-free flame-retardant glass fiber reinforced nylon 66 composite material and preparation method thereof | |
| CN102834463B (en) | Use of polyamides that are resistant to corrosion and stress cracking | |
| CN103073877B (en) | Low water absorption polyamide composition and products thereof | |
| SG176237A1 (en) | Polyamide resin | |
| CN102585491A (en) | Reinforced polyamide composition with high liquidity and low warpage and preparation method and application thereof | |
| CN103665373A (en) | PA10T polyamide resin and polyamide composition composed of same | |
| CN103642036A (en) | Polyamide resin and polyamide composition composed of same | |
| CN104231601A (en) | Flame-retardant polyamide moulding composition | |
| CN101503570A (en) | Glass fiber reinforced environment-friendly flame-retardant nylon alloy for thin-walled products and preparation method thereof | |
| CN100549095C (en) | Polyamide resin of a kind of halogen-free phosphor-free environmental protection inflaming retarding and preparation method thereof | |
| CN110072934A (en) | For controlling the additive of the viscosity-adjusting agent of polymer | |
| CN101948619A (en) | poly(nonamethyleneterephthalamide) material and preparation method thereof | |
| CN111117231A (en) | Halogen-free polyamide 56 composition capable of resisting long-term aging of hot air and application thereof | |
| CN102660019B (en) | High temperature-resistant nylon/ polybutylece terephthalate (PBT)/polyethylene terephthalate (PET) copolymer, and preparation method and application thereof | |
| CN103849123A (en) | High-strength low-density modified PET material and preparation method | |
| CN106589936A (en) | High-transparence toughened PA12/PA56 alloy material and preparation method thereof | |
| CN102816405B (en) | Low-smoke halogen-free flame-retardant thermoplastic elastomer and preparation method thereof | |
| CN102079868B (en) | Method for preparing liquid crystal nylon alloy | |
| CN101921472A (en) | High impact-resistant halogen-free flame-retardant reinforced nylon material and preparation method thereof | |
| CN106700387A (en) | Flame-retardant master batch, preparation method and application of master batch to flame-retardant PC and alloy materials | |
| CN102993742A (en) | Preparation method and application of nylon6/66 composite material | |
| CN104387662A (en) | Low-cost scratch-resistant PP/PET (propene polymer/polyethylene terephthalate) alloy material and preparation method thereof | |
| CN103073854A (en) | Polyester composition, preparation method and applications thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |